<div class="message" [class.slide-in-left]="isQuestion" [class.slide-in-right]="!isQuestion" *ngFor="let message of messages" [class.left]="isQuestion" [class.right]="!isQuestion">
  <!--1.头像-->
  <img src="assets/imgs/chat/from-user.jpg" class="message_img">
  <!--2.状态-->
  <ion-spinner name="dots" *ngIf="false"></ion-spinner>
  <!--3.消息-->
  <div class="message_detail">
    <!--2.1消息-时间-->
    <div class="message_info">
      <p>This is time</p>
    </div>
    <!--2.2消息-内容-->
    <div class="message_content">
      <span class="message_triangle"></span>
      <p>{{message}}</p>
    </div>
  </div>
</div>